. >>> a san francisco law professor predicts lance armstrong's televised confession to doping could trigger a new criminal investigation. as we first reported early this week, oprah winfrey had an interview with lance armstrong in which armstrong admitted to using performance enhancing drugs when he was competing in the tour de france. peter keen of golden gate university says that admission may prompt the u.s. attorney to reopen its criminal case against armstrong. keen said giving armstrong a pass would amount to a legal double standard. federal prosecutors have not commented. >>> police at uc davis launched a criminal investigation into an explosion at a campus apartment that injured a student researcher. it's still unclear what the student was doing when the explosion happened yesterday. officials from the fbi and bureau of alcohol, tobacco and firearms removed dangerous chemicals from the apartment. the student hurt one of his hands in the blast. at this point no one is in custody. >>> a judge sentenced a richmond man to death today for killing his ex-girl friend and her friend at the